<!doctype html>
<html>
	<head>
		<meta charset="utf-8">
		<title>weibo</title>
		<style type="text/css">
			span {
				display: block;
				width: 100px;
				height: 50px;
			}
			a {
				display: inline-block;
				width: 100px;
				height: 50px;
			}
		</style>
	</head>
	<body>
		<span>s1</span><span>s2</span><span>s3</span>
		<a href="">a1</a>
		<a href="">a2</a>
		<a href="">a3</a>
	</body>
</html>